Synonyms: benzenemethanaminium,ar-ethenyl-n,n,n-trimethyl-,chloride,polymerwithdieth;Benzenemethanaminium,ar-ethenyl-N,N,N-trimethyl-,chloride,polymerwithdiethenylbenzene;Benzenemethanaminium,ar-ethenyl-N,N,N-trimethylchloride,polymerwithdiethenylbenzene;Divinylbenzene,vinylbenzyltrimethylammoniumchloride;AMBERLITE IRA-400;'AMBERJET' 4200CL;AMBERJET 4200-CL;AMBERJET(TM) 4200 CHLORIDE FORM